let utils = data.utils,
  STUtil = data.STUtil,
  Node = data.Node,
  SplayTree = data.SplayTree,
  isInBbox = data.isInBbox,
  getBboxOverlap = data.getBboxOverlap,
  cmp = data.cmp,
  crossProduct = data.crossProduct,
  dotProduct = data.dotProduct,
  compareVectorAngles = data.compareVectorAngles,
  sineOfAngle = data.sineOfAngle,
  cosineOfAngle = data.cosineOfAngle,
  closestPoint = data.closestPoint,
  horizontalIntersection = data.horizontalIntersection,
  verticalIntersection = data.verticalIntersection,
  intersection = data.intersection,
  perpendicular = data.perpendicular,
  rounder = data.rounder,
  geomIn = data.geomIn,
  geomOut = data.geomOut,
  Segment = data.Segment,
  SweepEvent = data.SweepEvent;

console.log("11PolygonClipping_operation");

function SweepLine(queue, comparator) { null != comparator && null != comparator || (comparator = Segment.compare), this.queue = queue, this.tree = new SplayTree(comparator), this.segments = [] } function Operation() { this.run = function (type, geom, moreGeoms) { operation.type = type, rounder.reset(); const multipolys = [new geomIn.MultiPolyIn(geom, !0)]; for (let i = 0, iMax = moreGeoms.length; i < iMax; i++)multipolys.push(new geomIn.MultiPolyIn(moreGeoms[i], !1)); if (operation.numMultiPolys = multipolys.length, "difference" === operation.type) { const subject = multipolys[0]; let i = 1; for (; i < multipolys.length;)null !== getBboxOverlap(multipolys[i].bbox, subject.bbox) ? i++ : multipolys.splice(i, 1) } if ("intersection" === operation.type) for (let i = 0, iMax = multipolys.length; i < iMax; i++) { const mpA = multipolys[i]; for (let j = i + 1, jMax = multipolys.length; j < jMax; j++)if (null === getBboxOverlap(mpA.bbox, multipolys[j].bbox)) return [] } const queue = new SplayTree(SweepEvent.compare); for (let i = 0, iMax = multipolys.length; i < iMax; i++) { const sweepEvents = multipolys[i].getSweepEvents(); for (let j = 0, jMax = sweepEvents.length; j < jMax; j++)if (queue.insert(sweepEvents[j]), queue.size > 1e6) throw new Error("Infinite") } const sweepLine = new SweepLine(queue); let prevQueueSize = queue.size, node = queue.pop(); for (; node;) { const evt = node.key; if (queue.size === prevQueueSize) { const seg = evt.segment; throw new Error(`Unable to pop() ${evt.isLeft ? "left" : "right"} SweepEvent ` + `[${evt.point.x}, ${evt.point.y}] from segment #${seg.id} ` + `[${seg.leftSE.point.x}, ${seg.leftSE.point.y}] -> ` + `[${seg.rightSE.point.x}, ${seg.rightSE.point.y}] from queue. ` + "Please file a bug report.") } if (queue.size > 1e6) throw new Error("Infinite."); if (sweepLine.segments.length > 1e6) throw new Error("Infinite."); const newEvents = sweepLine.process(evt); for (let i = 0, iMax = newEvents.length; i < iMax; i++) { const evt = newEvents[i]; void 0 === evt.consumedBy && queue.insert(evt) } prevQueueSize = queue.size, node = queue.pop() } rounder.reset(); const ringsOut = geomOut.RingOut.factory(sweepLine.segments), result = new geomOut.MultiPolyOut(ringsOut); return result.getGeom() } }


const operation = new Operation()

return {
  "utils": utils,
  "STUtil": STUtil,
  "Node": Node,
  "SplayTree": SplayTree,
  "isInBbox": isInBbox,
  "getBboxOverlap": getBboxOverlap,
  "cmp": cmp,
  "crossProduct": crossProduct,
  "dotProduct": dotProduct,
  "compareVectorAngles": compareVectorAngles,
  // "length":length,
  "sineOfAngle": sineOfAngle,
  "cosineOfAngle": cosineOfAngle,
  "closestPoint": closestPoint,
  "horizontalIntersection": horizontalIntersection,
  "verticalIntersection": verticalIntersection,
  "intersection": intersection,
  "perpendicular": perpendicular,
  "rounder": rounder,
  "geomIn": geomIn,
  "geomOut": geomOut,
  "operation": operation,
  "Segment": Segment,
  "SweepEvent": SweepEvent,
  "SweepLine": SweepLine
}